Commit | Line | Data |
---|---|---|
04a773ad JB |
1 | /* |
2 | * Some IBSS support code for cfg80211. | |
3 | * | |
4 | * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> | |
5 | */ | |
6 | ||
7 | #include <linux/etherdevice.h> | |
8 | #include <linux/if_arp.h> | |
5a0e3ad6 | 9 | #include <linux/slab.h> |
bc3b2d7f | 10 | #include <linux/export.h> |
04a773ad | 11 | #include <net/cfg80211.h> |
0e82ffe3 | 12 | #include "wext-compat.h" |
04a773ad | 13 | #include "nl80211.h" |
e35e4d28 | 14 | #include "rdev-ops.h" |
04a773ad JB |
15 | |
16 | ||
667503dd | 17 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) |
04a773ad JB |
18 | { |
19 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
20 | struct cfg80211_bss *bss; | |
3d23e349 | 21 | #ifdef CONFIG_CFG80211_WEXT |
04a773ad JB |
22 | union iwreq_data wrqu; |
23 | #endif | |
24 | ||
25 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
26 | return; | |
27 | ||
f7969969 | 28 | if (!wdev->ssid_len) |
04a773ad JB |
29 | return; |
30 | ||
04a773ad JB |
31 | bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, |
32 | wdev->ssid, wdev->ssid_len, | |
33 | WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); | |
34 | ||
35 | if (WARN_ON(!bss)) | |
36 | return; | |
37 | ||
38 | if (wdev->current_bss) { | |
39 | cfg80211_unhold_bss(wdev->current_bss); | |
19957bb3 | 40 | cfg80211_put_bss(&wdev->current_bss->pub); |
04a773ad JB |
41 | } |
42 | ||
19957bb3 JB |
43 | cfg80211_hold_bss(bss_from_pub(bss)); |
44 | wdev->current_bss = bss_from_pub(bss); | |
04a773ad | 45 | |
28f33366 | 46 | wdev->sme_state = CFG80211_SME_CONNECTED; |
fffd0934 JB |
47 | cfg80211_upload_connect_keys(wdev); |
48 | ||
667503dd JB |
49 | nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, |
50 | GFP_KERNEL); | |
3d23e349 | 51 | #ifdef CONFIG_CFG80211_WEXT |
04a773ad JB |
52 | memset(&wrqu, 0, sizeof(wrqu)); |
53 | memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN); | |
54 | wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); | |
55 | #endif | |
56 | } | |
667503dd JB |
57 | |
58 | void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp) | |
59 | { | |
60 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
61 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
62 | struct cfg80211_event *ev; | |
63 | unsigned long flags; | |
64 | ||
28f33366 | 65 | CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING); |
f7969969 | 66 | |
667503dd JB |
67 | ev = kzalloc(sizeof(*ev), gfp); |
68 | if (!ev) | |
69 | return; | |
70 | ||
71 | ev->type = EVENT_IBSS_JOINED; | |
72 | memcpy(ev->cr.bssid, bssid, ETH_ALEN); | |
73 | ||
74 | spin_lock_irqsave(&wdev->event_lock, flags); | |
75 | list_add_tail(&ev->list, &wdev->event_list); | |
76 | spin_unlock_irqrestore(&wdev->event_lock, flags); | |
e60d7443 | 77 | queue_work(cfg80211_wq, &rdev->event_work); |
667503dd | 78 | } |
04a773ad JB |
79 | EXPORT_SYMBOL(cfg80211_ibss_joined); |
80 | ||
667503dd JB |
81 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
82 | struct net_device *dev, | |
fffd0934 JB |
83 | struct cfg80211_ibss_params *params, |
84 | struct cfg80211_cached_keys *connkeys) | |
04a773ad JB |
85 | { |
86 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
87 | int err; | |
88 | ||
667503dd JB |
89 | ASSERT_WDEV_LOCK(wdev); |
90 | ||
04a773ad JB |
91 | if (wdev->ssid_len) |
92 | return -EALREADY; | |
93 | ||
93b05238 JB |
94 | if (!params->basic_rates) { |
95 | /* | |
96 | * If no rates were explicitly configured, | |
97 | * use the mandatory rate set for 11b or | |
98 | * 11a for maximum compatibility. | |
99 | */ | |
100 | struct ieee80211_supported_band *sband = | |
101 | rdev->wiphy.bands[params->channel->band]; | |
102 | int j; | |
103 | u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ? | |
104 | IEEE80211_RATE_MANDATORY_A : | |
105 | IEEE80211_RATE_MANDATORY_B; | |
106 | ||
107 | for (j = 0; j < sband->n_bitrates; j++) { | |
108 | if (sband->bitrates[j].flags & flag) | |
109 | params->basic_rates |= BIT(j); | |
110 | } | |
111 | } | |
112 | ||
fffd0934 JB |
113 | if (WARN_ON(wdev->connect_keys)) |
114 | kfree(wdev->connect_keys); | |
115 | wdev->connect_keys = connkeys; | |
116 | ||
c30a3d38 | 117 | wdev->ibss_fixed = params->channel_fixed; |
3d23e349 | 118 | #ifdef CONFIG_CFG80211_WEXT |
cbe8fa9c | 119 | wdev->wext.ibss.channel = params->channel; |
04a773ad | 120 | #endif |
28f33366 | 121 | wdev->sme_state = CFG80211_SME_CONNECTING; |
e4e32459 MK |
122 | |
123 | err = cfg80211_can_use_chan(rdev, wdev, params->channel, | |
124 | params->channel_fixed | |
125 | ? CHAN_MODE_SHARED | |
126 | : CHAN_MODE_EXCLUSIVE); | |
127 | if (err) { | |
128 | wdev->connect_keys = NULL; | |
129 | return err; | |
130 | } | |
131 | ||
e35e4d28 | 132 | err = rdev_join_ibss(rdev, dev, params); |
fffd0934 JB |
133 | if (err) { |
134 | wdev->connect_keys = NULL; | |
28f33366 | 135 | wdev->sme_state = CFG80211_SME_IDLE; |
04a773ad | 136 | return err; |
fffd0934 | 137 | } |
04a773ad JB |
138 | |
139 | memcpy(wdev->ssid, params->ssid, params->ssid_len); | |
140 | wdev->ssid_len = params->ssid_len; | |
141 | ||
142 | return 0; | |
143 | } | |
144 | ||
667503dd JB |
145 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
146 | struct net_device *dev, | |
fffd0934 JB |
147 | struct cfg80211_ibss_params *params, |
148 | struct cfg80211_cached_keys *connkeys) | |
667503dd JB |
149 | { |
150 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
151 | int err; | |
152 | ||
59bbb6f7 | 153 | mutex_lock(&rdev->devlist_mtx); |
667503dd | 154 | wdev_lock(wdev); |
fffd0934 | 155 | err = __cfg80211_join_ibss(rdev, dev, params, connkeys); |
667503dd | 156 | wdev_unlock(wdev); |
59bbb6f7 | 157 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
158 | |
159 | return err; | |
160 | } | |
161 | ||
162 | static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) | |
04a773ad JB |
163 | { |
164 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
fffd0934 JB |
165 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
166 | int i; | |
04a773ad | 167 | |
667503dd JB |
168 | ASSERT_WDEV_LOCK(wdev); |
169 | ||
fffd0934 JB |
170 | kfree(wdev->connect_keys); |
171 | wdev->connect_keys = NULL; | |
172 | ||
173 | /* | |
174 | * Delete all the keys ... pairwise keys can't really | |
175 | * exist any more anyway, but default keys might. | |
176 | */ | |
177 | if (rdev->ops->del_key) | |
178 | for (i = 0; i < 6; i++) | |
e35e4d28 | 179 | rdev_del_key(rdev, dev, i, false, NULL); |
fffd0934 | 180 | |
04a773ad JB |
181 | if (wdev->current_bss) { |
182 | cfg80211_unhold_bss(wdev->current_bss); | |
19957bb3 | 183 | cfg80211_put_bss(&wdev->current_bss->pub); |
04a773ad JB |
184 | } |
185 | ||
186 | wdev->current_bss = NULL; | |
28f33366 | 187 | wdev->sme_state = CFG80211_SME_IDLE; |
04a773ad | 188 | wdev->ssid_len = 0; |
3d23e349 | 189 | #ifdef CONFIG_CFG80211_WEXT |
9d308429 | 190 | if (!nowext) |
cbe8fa9c | 191 | wdev->wext.ibss.ssid_len = 0; |
9d308429 | 192 | #endif |
04a773ad JB |
193 | } |
194 | ||
667503dd JB |
195 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext) |
196 | { | |
197 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
198 | ||
199 | wdev_lock(wdev); | |
200 | __cfg80211_clear_ibss(dev, nowext); | |
201 | wdev_unlock(wdev); | |
202 | } | |
203 | ||
98d3a7ca JB |
204 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
205 | struct net_device *dev, bool nowext) | |
04a773ad | 206 | { |
78485475 | 207 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
04a773ad JB |
208 | int err; |
209 | ||
667503dd JB |
210 | ASSERT_WDEV_LOCK(wdev); |
211 | ||
78485475 JB |
212 | if (!wdev->ssid_len) |
213 | return -ENOLINK; | |
214 | ||
e35e4d28 | 215 | err = rdev_leave_ibss(rdev, dev); |
04a773ad JB |
216 | |
217 | if (err) | |
218 | return err; | |
219 | ||
667503dd | 220 | __cfg80211_clear_ibss(dev, nowext); |
04a773ad JB |
221 | |
222 | return 0; | |
223 | } | |
224 | ||
667503dd JB |
225 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
226 | struct net_device *dev, bool nowext) | |
227 | { | |
228 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
229 | int err; | |
230 | ||
231 | wdev_lock(wdev); | |
232 | err = __cfg80211_leave_ibss(rdev, dev, nowext); | |
233 | wdev_unlock(wdev); | |
234 | ||
235 | return err; | |
236 | } | |
237 | ||
3d23e349 | 238 | #ifdef CONFIG_CFG80211_WEXT |
fffd0934 JB |
239 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
240 | struct wireless_dev *wdev) | |
04a773ad | 241 | { |
fffd0934 | 242 | struct cfg80211_cached_keys *ck = NULL; |
04a773ad | 243 | enum ieee80211_band band; |
fffd0934 JB |
244 | int i, err; |
245 | ||
246 | ASSERT_WDEV_LOCK(wdev); | |
04a773ad | 247 | |
cbe8fa9c JB |
248 | if (!wdev->wext.ibss.beacon_interval) |
249 | wdev->wext.ibss.beacon_interval = 100; | |
8e30bc55 | 250 | |
04a773ad | 251 | /* try to find an IBSS channel if none requested ... */ |
cbe8fa9c | 252 | if (!wdev->wext.ibss.channel) { |
04a773ad JB |
253 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
254 | struct ieee80211_supported_band *sband; | |
255 | struct ieee80211_channel *chan; | |
256 | ||
257 | sband = rdev->wiphy.bands[band]; | |
258 | if (!sband) | |
259 | continue; | |
260 | ||
261 | for (i = 0; i < sband->n_channels; i++) { | |
262 | chan = &sband->channels[i]; | |
263 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
264 | continue; | |
265 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
266 | continue; | |
cbe8fa9c | 267 | wdev->wext.ibss.channel = chan; |
04a773ad JB |
268 | break; |
269 | } | |
270 | ||
cbe8fa9c | 271 | if (wdev->wext.ibss.channel) |
04a773ad JB |
272 | break; |
273 | } | |
274 | ||
cbe8fa9c | 275 | if (!wdev->wext.ibss.channel) |
04a773ad JB |
276 | return -EINVAL; |
277 | } | |
278 | ||
279 | /* don't join -- SSID is not there */ | |
cbe8fa9c | 280 | if (!wdev->wext.ibss.ssid_len) |
04a773ad JB |
281 | return 0; |
282 | ||
283 | if (!netif_running(wdev->netdev)) | |
284 | return 0; | |
285 | ||
3be61a38 | 286 | if (wdev->wext.keys) { |
fffd0934 | 287 | wdev->wext.keys->def = wdev->wext.default_key; |
3be61a38 JB |
288 | wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key; |
289 | } | |
fffd0934 JB |
290 | |
291 | wdev->wext.ibss.privacy = wdev->wext.default_key != -1; | |
292 | ||
293 | if (wdev->wext.keys) { | |
294 | ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL); | |
295 | if (!ck) | |
296 | return -ENOMEM; | |
297 | for (i = 0; i < 6; i++) | |
298 | ck->params[i].key = ck->data[i]; | |
299 | } | |
300 | err = __cfg80211_join_ibss(rdev, wdev->netdev, | |
301 | &wdev->wext.ibss, ck); | |
302 | if (err) | |
303 | kfree(ck); | |
304 | ||
305 | return err; | |
04a773ad JB |
306 | } |
307 | ||
308 | int cfg80211_ibss_wext_siwfreq(struct net_device *dev, | |
309 | struct iw_request_info *info, | |
59bbb6f7 | 310 | struct iw_freq *wextfreq, char *extra) |
04a773ad JB |
311 | { |
312 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 JB |
313 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
314 | struct ieee80211_channel *chan = NULL; | |
315 | int err, freq; | |
04a773ad JB |
316 | |
317 | /* call only for ibss! */ | |
318 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
319 | return -EINVAL; | |
320 | ||
59bbb6f7 | 321 | if (!rdev->ops->join_ibss) |
04a773ad JB |
322 | return -EOPNOTSUPP; |
323 | ||
59bbb6f7 JB |
324 | freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); |
325 | if (freq < 0) | |
326 | return freq; | |
04a773ad | 327 | |
59bbb6f7 JB |
328 | if (freq) { |
329 | chan = ieee80211_get_channel(wdev->wiphy, freq); | |
330 | if (!chan) | |
331 | return -EINVAL; | |
332 | if (chan->flags & IEEE80211_CHAN_NO_IBSS || | |
333 | chan->flags & IEEE80211_CHAN_DISABLED) | |
334 | return -EINVAL; | |
335 | } | |
04a773ad | 336 | |
cbe8fa9c | 337 | if (wdev->wext.ibss.channel == chan) |
04a773ad JB |
338 | return 0; |
339 | ||
667503dd JB |
340 | wdev_lock(wdev); |
341 | err = 0; | |
342 | if (wdev->ssid_len) | |
59bbb6f7 | 343 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
344 | wdev_unlock(wdev); |
345 | ||
346 | if (err) | |
347 | return err; | |
04a773ad JB |
348 | |
349 | if (chan) { | |
cbe8fa9c JB |
350 | wdev->wext.ibss.channel = chan; |
351 | wdev->wext.ibss.channel_fixed = true; | |
04a773ad JB |
352 | } else { |
353 | /* cfg80211_ibss_wext_join will pick one if needed */ | |
cbe8fa9c | 354 | wdev->wext.ibss.channel_fixed = false; |
04a773ad JB |
355 | } |
356 | ||
59bbb6f7 | 357 | mutex_lock(&rdev->devlist_mtx); |
fffd0934 | 358 | wdev_lock(wdev); |
59bbb6f7 | 359 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 | 360 | wdev_unlock(wdev); |
59bbb6f7 | 361 | mutex_unlock(&rdev->devlist_mtx); |
fffd0934 JB |
362 | |
363 | return err; | |
04a773ad | 364 | } |
04a773ad JB |
365 | |
366 | int cfg80211_ibss_wext_giwfreq(struct net_device *dev, | |
367 | struct iw_request_info *info, | |
368 | struct iw_freq *freq, char *extra) | |
369 | { | |
370 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
371 | struct ieee80211_channel *chan = NULL; | |
372 | ||
373 | /* call only for ibss! */ | |
374 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
375 | return -EINVAL; | |
376 | ||
667503dd | 377 | wdev_lock(wdev); |
04a773ad | 378 | if (wdev->current_bss) |
19957bb3 | 379 | chan = wdev->current_bss->pub.channel; |
cbe8fa9c JB |
380 | else if (wdev->wext.ibss.channel) |
381 | chan = wdev->wext.ibss.channel; | |
667503dd | 382 | wdev_unlock(wdev); |
04a773ad JB |
383 | |
384 | if (chan) { | |
385 | freq->m = chan->center_freq; | |
386 | freq->e = 6; | |
387 | return 0; | |
388 | } | |
389 | ||
390 | /* no channel if not joining */ | |
391 | return -EINVAL; | |
392 | } | |
04a773ad JB |
393 | |
394 | int cfg80211_ibss_wext_siwessid(struct net_device *dev, | |
395 | struct iw_request_info *info, | |
396 | struct iw_point *data, char *ssid) | |
397 | { | |
398 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 | 399 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
04a773ad JB |
400 | size_t len = data->length; |
401 | int err; | |
402 | ||
403 | /* call only for ibss! */ | |
404 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
405 | return -EINVAL; | |
406 | ||
59bbb6f7 | 407 | if (!rdev->ops->join_ibss) |
04a773ad JB |
408 | return -EOPNOTSUPP; |
409 | ||
667503dd JB |
410 | wdev_lock(wdev); |
411 | err = 0; | |
412 | if (wdev->ssid_len) | |
59bbb6f7 | 413 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
414 | wdev_unlock(wdev); |
415 | ||
416 | if (err) | |
417 | return err; | |
04a773ad JB |
418 | |
419 | /* iwconfig uses nul termination in SSID.. */ | |
420 | if (len > 0 && ssid[len - 1] == '\0') | |
421 | len--; | |
422 | ||
cbe8fa9c JB |
423 | wdev->wext.ibss.ssid = wdev->ssid; |
424 | memcpy(wdev->wext.ibss.ssid, ssid, len); | |
425 | wdev->wext.ibss.ssid_len = len; | |
04a773ad | 426 | |
59bbb6f7 | 427 | mutex_lock(&rdev->devlist_mtx); |
fffd0934 | 428 | wdev_lock(wdev); |
59bbb6f7 | 429 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 | 430 | wdev_unlock(wdev); |
59bbb6f7 | 431 | mutex_unlock(&rdev->devlist_mtx); |
fffd0934 JB |
432 | |
433 | return err; | |
04a773ad | 434 | } |
04a773ad JB |
435 | |
436 | int cfg80211_ibss_wext_giwessid(struct net_device *dev, | |
437 | struct iw_request_info *info, | |
438 | struct iw_point *data, char *ssid) | |
439 | { | |
440 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
441 | ||
442 | /* call only for ibss! */ | |
443 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
444 | return -EINVAL; | |
445 | ||
446 | data->flags = 0; | |
447 | ||
667503dd | 448 | wdev_lock(wdev); |
04a773ad JB |
449 | if (wdev->ssid_len) { |
450 | data->flags = 1; | |
451 | data->length = wdev->ssid_len; | |
452 | memcpy(ssid, wdev->ssid, data->length); | |
cbe8fa9c | 453 | } else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) { |
04a773ad | 454 | data->flags = 1; |
cbe8fa9c JB |
455 | data->length = wdev->wext.ibss.ssid_len; |
456 | memcpy(ssid, wdev->wext.ibss.ssid, data->length); | |
04a773ad | 457 | } |
667503dd | 458 | wdev_unlock(wdev); |
04a773ad JB |
459 | |
460 | return 0; | |
461 | } | |
04a773ad JB |
462 | |
463 | int cfg80211_ibss_wext_siwap(struct net_device *dev, | |
464 | struct iw_request_info *info, | |
465 | struct sockaddr *ap_addr, char *extra) | |
466 | { | |
467 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 | 468 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
04a773ad JB |
469 | u8 *bssid = ap_addr->sa_data; |
470 | int err; | |
471 | ||
472 | /* call only for ibss! */ | |
473 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
474 | return -EINVAL; | |
475 | ||
59bbb6f7 | 476 | if (!rdev->ops->join_ibss) |
04a773ad JB |
477 | return -EOPNOTSUPP; |
478 | ||
479 | if (ap_addr->sa_family != ARPHRD_ETHER) | |
480 | return -EINVAL; | |
481 | ||
482 | /* automatic mode */ | |
483 | if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) | |
484 | bssid = NULL; | |
485 | ||
486 | /* both automatic */ | |
cbe8fa9c | 487 | if (!bssid && !wdev->wext.ibss.bssid) |
04a773ad JB |
488 | return 0; |
489 | ||
490 | /* fixed already - and no change */ | |
cbe8fa9c | 491 | if (wdev->wext.ibss.bssid && bssid && |
ac422d3c | 492 | ether_addr_equal(bssid, wdev->wext.ibss.bssid)) |
04a773ad JB |
493 | return 0; |
494 | ||
667503dd JB |
495 | wdev_lock(wdev); |
496 | err = 0; | |
497 | if (wdev->ssid_len) | |
59bbb6f7 | 498 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
499 | wdev_unlock(wdev); |
500 | ||
501 | if (err) | |
502 | return err; | |
04a773ad JB |
503 | |
504 | if (bssid) { | |
cbe8fa9c JB |
505 | memcpy(wdev->wext.bssid, bssid, ETH_ALEN); |
506 | wdev->wext.ibss.bssid = wdev->wext.bssid; | |
04a773ad | 507 | } else |
cbe8fa9c | 508 | wdev->wext.ibss.bssid = NULL; |
04a773ad | 509 | |
59bbb6f7 | 510 | mutex_lock(&rdev->devlist_mtx); |
fffd0934 | 511 | wdev_lock(wdev); |
59bbb6f7 | 512 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 | 513 | wdev_unlock(wdev); |
59bbb6f7 | 514 | mutex_unlock(&rdev->devlist_mtx); |
fffd0934 JB |
515 | |
516 | return err; | |
04a773ad | 517 | } |
04a773ad JB |
518 | |
519 | int cfg80211_ibss_wext_giwap(struct net_device *dev, | |
520 | struct iw_request_info *info, | |
521 | struct sockaddr *ap_addr, char *extra) | |
522 | { | |
523 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
524 | ||
525 | /* call only for ibss! */ | |
526 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
527 | return -EINVAL; | |
528 | ||
529 | ap_addr->sa_family = ARPHRD_ETHER; | |
530 | ||
667503dd | 531 | wdev_lock(wdev); |
7ebbe6bd | 532 | if (wdev->current_bss) |
19957bb3 | 533 | memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN); |
80e5b06a | 534 | else if (wdev->wext.ibss.bssid) |
cbe8fa9c | 535 | memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN); |
80e5b06a ZY |
536 | else |
537 | memset(ap_addr->sa_data, 0, ETH_ALEN); | |
538 | ||
667503dd JB |
539 | wdev_unlock(wdev); |
540 | ||
04a773ad JB |
541 | return 0; |
542 | } | |
04a773ad | 543 | #endif |